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1425 S VINEYARD AVE, Ontario, CA 917618063
ContractorUpdated April 2026
Best Contractors in Ontario, CA (2026)
Looking for a contractor in Ontario? We've compiled a list of the top 8 verified contractors in Ontario, CA based on ratings, reviews, and public business records.
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Total Contractors
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Top Rated
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Avg Rating
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Total Reviews
Top 8 Contractors in Ontario, CA
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1425 S VINEYARD AVE, Ontario, CA 917618063
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1375 E LOCUST ST STE B, Ontario, CA 917614508
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4295 JURUPA ST STE 102, Ontario, CA 917611429
How We Chose These Contractors
Our directory aggregates data from multiple public sources to compile the most comprehensive list of contractors in Ontario, CA. Here's how we evaluate and rank professionals:
- Public Licensing Records— We verify that each professional holds valid, up-to-date licenses and registrations in CA.
- NPI Registry & Business Records — For healthcare professionals, we cross-reference the National Provider Identifier registry. For other verticals, we use state business filings and industry databases.
- Customer Ratings & Reviews — We aggregate ratings from major review platforms to surface the highest-quality professionals.
- Completeness of Information— Professionals with verified contact details, addresses, and active online presence rank higher.
Tips for Choosing a Contractor in Ontario
Check Reviews & Ratings
Look for contractors with consistently high ratings and a meaningful number of reviews. A contractor with 4.5 stars and 100+ reviews is generally more reliable than one with 5 stars and only 2 reviews.
Verify Credentials
Always verify that the contractor holds appropriate licenses for CA. Check with your state's licensing board for the most up-to-date information.
Compare Multiple Options
Don't settle for the first option. Contact at least 2-3 contractors to compare services, availability, and pricing before making your decision.
Ask About Experience
Inquire about the contractor's experience with your specific needs. Specialists who focus on particular areas may provide better outcomes than generalists.
Frequently Asked Questions
How many contractors are in Ontario, CA?
Our directory currently lists 8 verified contractors in Ontario, CA. This number is regularly updated as new professionals are added to our database.
How do I choose the best contractor in Ontario?
Start by reviewing ratings and the number of reviews above. Look for professionals with consistent high marks and verified credentials. We recommend contacting 2-3 options to compare availability, services, and pricing.
Find a Contractor in Ontario Today
Browse our complete directory of 8 contractors in Ontario, CA. Filter by rating, read reviews, and request quotes.
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